1. The price shown in Column 4 is a weighted average sale price. The price range for the sales is $67.000 to $67.995. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

2. The price shown in Column 4 is a weighted average sale price. The price range for the sales is $68.000 to $68.015. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

3. The price shown in Column 4 is a weighted average sale price. The price range for the sales is $67.380 to $68.235. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

4. The Reporting Person may be deemed to beneficially own such shares as Settlor and Trustee of grantor retained annuity trusts. The Reporting Person disclaims beneficial ownership of the shares held by such trusts.

5. Such shares are owned by trusts for the benefit of the Reporting Person's son, of which the Reporting Person's spouse is a Trustee. The Reporting Person disclaims beneficial ownership of the shares held by such trusts.

/s/ J. Robert Small, Attorney-in-Fact

07/19/2012

** Signature of Reporting Person

Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person,
see
Instruction
4
(b)(v).